mac79 Posted September 12, 2014 Share Posted September 12, 2014 Just a quick question does the 1st decat pipe on a 93 jspec tt need to have the fitting for the o2 sensor. i keep seeing ones with and ones without? Link to comment Share on other sites More sharing options...
Mk4Gaz Posted September 12, 2014 Share Posted September 12, 2014 No, the ones you're seeing with them are for a wide band. All decat pipes should have the cat temp sensor hole in them, although you don't need to use it. The stock lambda sensor fits in the collector as part of the stock manifold Link to comment Share on other sites More sharing options...
mac79 Posted September 12, 2014 Author Share Posted September 12, 2014 No, the ones you're seeing with them are for a wide band. All decat pipes should have the cat temp sensor hole in them, although you don't need to use it. The stock lambda sensor fits in the collector as part of the stock manifold Thanks for the info, i will order one off whifbitz. Link to comment Share on other sites More sharing options...
Mk4Gaz Posted September 12, 2014 Share Posted September 12, 2014 I have a brand new 2.5" 1st decat for sale, and a second hand one if you're interested? Link to comment Share on other sites More sharing options...
Jellybean Posted September 12, 2014 Share Posted September 12, 2014 The sensor in the jspec tt OEM CAT is a Temperature sensor not an Oxygen sensor , just tie it up with a cable tie As Gaz said Link to comment Share on other sites More sharing options...
mac79 Posted September 12, 2014 Author Share Posted September 12, 2014 I have a brand new 2.5" 1st decat for sale, and a second hand one if you're interested? Thanks for the offer but the rest of the system is 3" thats going on. Link to comment Share on other sites More sharing options...
Mk4Gaz Posted September 12, 2014 Share Posted September 12, 2014 You see, I really don't understand why people fit 3" decats to jspecs, when you need to run a restrictor ring to take it back to 2" anyway Link to comment Share on other sites More sharing options...
mac79 Posted September 15, 2014 Author Share Posted September 15, 2014 I have been given a ganador exhaust system but it was missing the first decat. Cant really say no to that. Link to comment Share on other sites More sharing options...
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